# pre-commit

## **What is pre-commit?**

[Pre-commit](https://pre-commit.com/) is a tool that checks your code before you commit it to your repository. Think of it as a friendly assistant that reviews your code and helps catch common mistakes before they become part of your project.

**Why should I use it?**

* Catches mistakes early (before they get into your codebase)
* Keeps code style consistent across your team
* Only checks files you've changed, saving time
* Works with many programming languages
* Easy to set up and share with your team
* Stops commits if it finds problems, helping maintain quality

## Key concept

**Checks (Hooks)**\
Pre-commit runs checks on your code before each commit. Common checks include:

* Fixing code formatting
* Finding potential errors
* Checking for security issues
* Making sure files aren't too large
* Looking for common mistakes

## **Setup**

All the checks are listed in a simple configuration file `.pre-commit-config.yaml` at the root of your project . You can choose which checks you want to run and how they should work.

### **Running**

Once set up, pre-commit automatically runs whenever you try to commit code. It will:

* Look at the files you've changed
* Run your chosen checks
* Either allow the commit (if everything passes) or show you what needs to be fixed


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